When "Whitened" (Removing Any References to Minority Ethnicity) and "Non-Whitened

Multiple Choice

When "Whitened" (removing any references to minority ethnicity) and "non-Whitened" resumes were sent to job ads posted on online career sites, what happened?

A) Both "Whitened" and "non-Whitened" resumes were called back equally.
B) "Non-Whitened" resumes were twice as likely to get a call back compared to "Whitened" resumes.
C) "Whitened" resumes were twice as likely to get a call back compared to "non-Whitened" resumes.
D) "Non-Whitened" resumes were called back more, but only by companies that were predominantly staffed with other minorities.